girl who is second-best to the real cheerleading captain. usually follows the captain around, and tries to have a higher part in the squad(even though shes not much better than the rest of the team)
*but sometimes they can also be very good cheerleaders, just too wanna-bee or too much of a follower to be an actual captain.

Person 1- Are you the captain of the cheerleading squad?
Co-captain- no, im the cheerleading co-captain
person 1- oh.